ADC PWR-AVIS Figure 20. Insertion of VITS Test Signal, Figure 19. Intrusive Test of Transport Feed

ADCP-61-814 ∙ Issue 1 ∙ April 1999

FRONT JACKS

	MON				REAR
					EQUIPMENT
PATCH CORD	75 OHM
		464	93		CONNECTIONS	NETWORK ELEMENTS
		OHM	OHM
					OUT
						VIDEO TRANSPORT
	OUT
	0.056 ∝H			0.033 ∝H		SYSTEM
	INDUCTOR			INDUCTOR
	IN				IN	MODULATOR/
						UP CONVERTER
	75 OHM
	JACK ACCESS CARD			REAR INTERFACE UNIT
	FRONT JACKS
	MON				REAR
					EQUIPMENT
	75 OHM
		464	93		CONNECTIONS
		OHM	OHM		OUT
	OUT					VM 700 OR
	0.056 ∝H			0.033 ∝H		EQUIVALENT
						VIDEO
	INDUCTOR			INDUCTOR	IN
						TEST SET
	IN
	75 OHM
	JACK ACCESS CARD			REAR INTERFACE UNIT		6415-A

Figure 19. Intrusive Test of Transport Feed

FRONT JACKS

	MON				REAR
PATCH					EQUIPMENT
	75 OHM
		464		93	CONNECTIONS	NETWORK ELEMENTS
CORDS
		OHM	OHM
					OUT
						VIDEO TRANSPORT
	OUT
	0.056 ∝H			0.033 ∝H		SYSTEM
	INDUCTOR			INDUCTOR
	IN					MODULATOR/
					IN
						UP CONVERTER
	75 OHM
	JACK ACCESS CARD			REAR INTERFACE UNIT
	FRONT JACKS
	MON				REAR
					EQUIPMENT
	75 OHM
		464		93	CONNECTIONS
		OHM	OHM		OUT
	OUT
	0.056 ∝H			0.033 ∝H		VERTICAL INTERVAL
	INDUCTOR			INDUCTOR		TEST SET
	IN				IN
	75 OHM
	JACK ACCESS CARD			REAR INTERFACE UNIT		6416-A

Figure 20. Insertion of VITS Test Signal

Page 18

© 1999, ADC Telecommunications, Inc.